|
|
#!/usr/bin/env python
|
|
|
# encoding: utf-8
|
|
|
"""
|
|
|
The :class:`~IPython.core.application.Application` object for the command
|
|
|
line :command:`ipython` program.
|
|
|
|
|
|
Authors
|
|
|
-------
|
|
|
|
|
|
* Brian Granger
|
|
|
* Fernando Perez
|
|
|
"""
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Copyright (C) 2008-2010 The IPython Development Team
|
|
|
#
|
|
|
# Distributed under the terms of the BSD License. The full license is in
|
|
|
# the file COPYING, distributed as part of this software.
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Imports
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
from __future__ import absolute_import
|
|
|
|
|
|
import logging
|
|
|
import os
|
|
|
import sys
|
|
|
|
|
|
from IPython.core import release
|
|
|
from IPython.core.crashhandler import CrashHandler
|
|
|
from IPython.core.application import Application, BaseAppConfigLoader
|
|
|
from IPython.frontend.terminal.interactiveshell import TerminalInteractiveShell
|
|
|
from IPython.config.loader import (
|
|
|
Config,
|
|
|
PyFileConfigLoader
|
|
|
)
|
|
|
from IPython.lib import inputhook
|
|
|
from IPython.utils.path import filefind, get_ipython_dir, check_for_old_config
|
|
|
from IPython.core import usage
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Globals, utilities and helpers
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
#: The default config file name for this application.
|
|
|
default_config_file_name = u'ipython_config.py'
|
|
|
|
|
|
|
|
|
class IPAppConfigLoader(BaseAppConfigLoader):
|
|
|
|
|
|
def _add_arguments(self):
|
|
|
super(IPAppConfigLoader, self)._add_arguments()
|
|
|
paa = self.parser.add_argument
|
|
|
paa('-p',
|
|
|
'--profile', dest='Global.profile', type=unicode,
|
|
|
help=
|
|
|
"""The string name of the ipython profile to be used. Assume that your
|
|
|
config file is ipython_config-<name>.py (looks in current dir first,
|
|
|
then in IPYTHON_DIR). This is a quick way to keep and load multiple
|
|
|
config files for different tasks, especially if include your basic one
|
|
|
in your more specialized ones. You can keep a basic
|
|
|
IPYTHON_DIR/ipython_config.py file and then have other 'profiles' which
|
|
|
include this one and load extra things for particular tasks.""",
|
|
|
metavar='Global.profile')
|
|
|
paa('--config-file',
|
|
|
dest='Global.config_file', type=unicode,
|
|
|
help=
|
|
|
"""Set the config file name to override default. Normally IPython
|
|
|
loads ipython_config.py (from current directory) or
|
|
|
IPYTHON_DIR/ipython_config.py. If the loading of your config file
|
|
|
fails, IPython starts with a bare bones configuration (no modules
|
|
|
loaded at all).""",
|
|
|
metavar='Global.config_file')
|
|
|
paa('--autocall',
|
|
|
dest='InteractiveShell.autocall', type=int,
|
|
|
help=
|
|
|
"""Make IPython automatically call any callable object even if you
|
|
|
didn't type explicit parentheses. For example, 'str 43' becomes
|
|
|
'str(43)' automatically. The value can be '0' to disable the feature,
|
|
|
'1' for 'smart' autocall, where it is not applied if there are no more
|
|
|
arguments on the line, and '2' for 'full' autocall, where all callable
|
|
|
objects are automatically called (even if no arguments are present).
|
|
|
The default is '1'.""",
|
|
|
metavar='InteractiveShell.autocall')
|
|
|
paa('--autoindent',
|
|
|
action='store_true', dest='InteractiveShell.autoindent',
|
|
|
help='Turn on autoindenting.')
|
|
|
paa('--no-autoindent',
|
|
|
action='store_false', dest='InteractiveShell.autoindent',
|
|
|
help='Turn off autoindenting.')
|
|
|
paa('--automagic',
|
|
|
action='store_true', dest='InteractiveShell.automagic',
|
|
|
help=
|
|
|
"""Turn on the auto calling of magic commands. Type %%magic at the
|
|
|
IPython prompt for more information.""")
|
|
|
paa('--no-automagic',
|
|
|
action='store_false', dest='InteractiveShell.automagic',
|
|
|
help='Turn off the auto calling of magic commands.')
|
|
|
paa('--autoedit-syntax',
|
|
|
action='store_true', dest='TerminalInteractiveShell.autoedit_syntax',
|
|
|
help='Turn on auto editing of files with syntax errors.')
|
|
|
paa('--no-autoedit-syntax',
|
|
|
action='store_false', dest='TerminalInteractiveShell.autoedit_syntax',
|
|
|
help='Turn off auto editing of files with syntax errors.')
|
|
|
paa('--banner',
|
|
|
action='store_true', dest='Global.display_banner',
|
|
|
help='Display a banner upon starting IPython.')
|
|
|
paa('--no-banner',
|
|
|
action='store_false', dest='Global.display_banner',
|
|
|
help="Don't display a banner upon starting IPython.")
|
|
|
paa('--cache-size',
|
|
|
type=int, dest='InteractiveShell.cache_size',
|
|
|
help=
|
|
|
"""Set the size of the output cache. The default is 1000, you can
|
|
|
change it permanently in your config file. Setting it to 0 completely
|
|
|
disables the caching system, and the minimum value accepted is 20 (if
|
|
|
you provide a value less than 20, it is reset to 0 and a warning is
|
|
|
issued). This limit is defined because otherwise you'll spend more
|
|
|
time re-flushing a too small cache than working""",
|
|
|
metavar='InteractiveShell.cache_size')
|
|
|
paa('--classic',
|
|
|
action='store_true', dest='Global.classic',
|
|
|
help="Gives IPython a similar feel to the classic Python prompt.")
|
|
|
paa('--colors',
|
|
|
type=str, dest='InteractiveShell.colors',
|
|
|
help="Set the color scheme (NoColor, Linux, and LightBG).",
|
|
|
metavar='InteractiveShell.colors')
|
|
|
paa('--color-info',
|
|
|
action='store_true', dest='InteractiveShell.color_info',
|
|
|
help=
|
|
|
"""IPython can display information about objects via a set of func-
|
|
|
tions, and optionally can use colors for this, syntax highlighting
|
|
|
source code and various other elements. However, because this
|
|
|
information is passed through a pager (like 'less') and many pagers get
|
|
|
confused with color codes, this option is off by default. You can test
|
|
|
it and turn it on permanently in your ipython_config.py file if it
|
|
|
works for you. Test it and turn it on permanently if it works with
|
|
|
your system. The magic function %%color_info allows you to toggle this
|
|
|
inter- actively for testing.""")
|
|
|
paa('--no-color-info',
|
|
|
action='store_false', dest='InteractiveShell.color_info',
|
|
|
help="Disable using colors for info related things.")
|
|
|
paa('--confirm-exit',
|
|
|
action='store_true', dest='TerminalInteractiveShell.confirm_exit',
|
|
|
help=
|
|
|
"""Set to confirm when you try to exit IPython with an EOF (Control-D
|
|
|
in Unix, Control-Z/Enter in Windows). By typing 'exit', 'quit' or
|
|
|
'%%Exit', you can force a direct exit without any confirmation.""")
|
|
|
paa('--no-confirm-exit',
|
|
|
action='store_false', dest='TerminalInteractiveShell.confirm_exit',
|
|
|
help="Don't prompt the user when exiting.")
|
|
|
paa('--deep-reload',
|
|
|
action='store_true', dest='InteractiveShell.deep_reload',
|
|
|
help=
|
|
|
"""Enable deep (recursive) reloading by default. IPython can use the
|
|
|
deep_reload module which reloads changes in modules recursively (it
|
|
|
replaces the reload() function, so you don't need to change anything to
|
|
|
use it). deep_reload() forces a full reload of modules whose code may
|
|
|
have changed, which the default reload() function does not. When
|
|
|
deep_reload is off, IPython will use the normal reload(), but
|
|
|
deep_reload will still be available as dreload(). This fea- ture is off
|
|
|
by default [which means that you have both normal reload() and
|
|
|
dreload()].""")
|
|
|
paa('--no-deep-reload',
|
|
|
action='store_false', dest='InteractiveShell.deep_reload',
|
|
|
help="Disable deep (recursive) reloading by default.")
|
|
|
paa('--editor',
|
|
|
type=str, dest='TerminalInteractiveShell.editor',
|
|
|
help="Set the editor used by IPython (default to $EDITOR/vi/notepad).",
|
|
|
metavar='TerminalInteractiveShell.editor')
|
|
|
paa('--log','-l',
|
|
|
action='store_true', dest='InteractiveShell.logstart',
|
|
|
help="Start logging to the default log file (./ipython_log.py).")
|
|
|
paa('--logfile','-lf',
|
|
|
type=unicode, dest='InteractiveShell.logfile',
|
|
|
help="Start logging to logfile with this name.",
|
|
|
metavar='InteractiveShell.logfile')
|
|
|
paa('--log-append','-la',
|
|
|
type=unicode, dest='InteractiveShell.logappend',
|
|
|
help="Start logging to the given file in append mode.",
|
|
|
metavar='InteractiveShell.logfile')
|
|
|
paa('--pdb',
|
|
|
action='store_true', dest='InteractiveShell.pdb',
|
|
|
help="Enable auto calling the pdb debugger after every exception.")
|
|
|
paa('--no-pdb',
|
|
|
action='store_false', dest='InteractiveShell.pdb',
|
|
|
help="Disable auto calling the pdb debugger after every exception.")
|
|
|
paa('--pprint',
|
|
|
action='store_true', dest='PlainTextFormatter.pprint',
|
|
|
help="Enable auto pretty printing of results.")
|
|
|
paa('--no-pprint',
|
|
|
action='store_false', dest='PlainTextFormatter.pprint',
|
|
|
help="Disable auto auto pretty printing of results.")
|
|
|
paa('--prompt-in1','-pi1',
|
|
|
type=str, dest='InteractiveShell.prompt_in1',
|
|
|
help=
|
|
|
"""Set the main input prompt ('In [\#]: '). Note that if you are using
|
|
|
numbered prompts, the number is represented with a '\#' in the string.
|
|
|
Don't forget to quote strings with spaces embedded in them. Most
|
|
|
bash-like escapes can be used to customize IPython's prompts, as well
|
|
|
as a few additional ones which are IPython-spe- cific. All valid
|
|
|
prompt escapes are described in detail in the Customization section of
|
|
|
the IPython manual.""",
|
|
|
metavar='InteractiveShell.prompt_in1')
|
|
|
paa('--prompt-in2','-pi2',
|
|
|
type=str, dest='InteractiveShell.prompt_in2',
|
|
|
help=
|
|
|
"""Set the secondary input prompt (' .\D.: '). Similar to the previous
|
|
|
option, but used for the continuation prompts. The special sequence
|
|
|
'\D' is similar to '\#', but with all digits replaced by dots (so you
|
|
|
can have your continuation prompt aligned with your input prompt).
|
|
|
Default: ' .\D.: ' (note three spaces at the start for alignment with
|
|
|
'In [\#]')""",
|
|
|
metavar='InteractiveShell.prompt_in2')
|
|
|
paa('--prompt-out','-po',
|
|
|
type=str, dest='InteractiveShell.prompt_out',
|
|
|
help="Set the output prompt ('Out[\#]:')",
|
|
|
metavar='InteractiveShell.prompt_out')
|
|
|
paa('--quick',
|
|
|
action='store_true', dest='Global.quick',
|
|
|
help="Enable quick startup with no config files.")
|
|
|
paa('--readline',
|
|
|
action='store_true', dest='InteractiveShell.readline_use',
|
|
|
help="Enable readline for command line usage.")
|
|
|
paa('--no-readline',
|
|
|
action='store_false', dest='InteractiveShell.readline_use',
|
|
|
help="Disable readline for command line usage.")
|
|
|
paa('--screen-length','-sl',
|
|
|
type=int, dest='TerminalInteractiveShell.screen_length',
|
|
|
help=
|
|
|
"""Number of lines of your screen, used to control printing of very
|
|
|
long strings. Strings longer than this number of lines will be sent
|
|
|
through a pager instead of directly printed. The default value for
|
|
|
this is 0, which means IPython will auto-detect your screen size every
|
|
|
time it needs to print certain potentially long strings (this doesn't
|
|
|
change the behavior of the 'print' keyword, it's only triggered
|
|
|
internally). If for some reason this isn't working well (it needs
|
|
|
curses support), specify it yourself. Otherwise don't change the
|
|
|
default.""",
|
|
|
metavar='TerminalInteractiveShell.screen_length')
|
|
|
paa('--separate-in','-si',
|
|
|
type=str, dest='InteractiveShell.separate_in',
|
|
|
help="Separator before input prompts. Default '\\n'.",
|
|
|
metavar='InteractiveShell.separate_in')
|
|
|
paa('--separate-out','-so',
|
|
|
type=str, dest='InteractiveShell.separate_out',
|
|
|
help="Separator before output prompts. Default 0 (nothing).",
|
|
|
metavar='InteractiveShell.separate_out')
|
|
|
paa('--separate-out2','-so2',
|
|
|
type=str, dest='InteractiveShell.separate_out2',
|
|
|
help="Separator after output prompts. Default 0 (nonight).",
|
|
|
metavar='InteractiveShell.separate_out2')
|
|
|
paa('--no-sep',
|
|
|
action='store_true', dest='Global.nosep',
|
|
|
help="Eliminate all spacing between prompts.")
|
|
|
paa('--term-title',
|
|
|
action='store_true', dest='TerminalInteractiveShell.term_title',
|
|
|
help="Enable auto setting the terminal title.")
|
|
|
paa('--no-term-title',
|
|
|
action='store_false', dest='TerminalInteractiveShell.term_title',
|
|
|
help="Disable auto setting the terminal title.")
|
|
|
paa('--xmode',
|
|
|
type=str, dest='InteractiveShell.xmode',
|
|
|
help=
|
|
|
"""Exception reporting mode ('Plain','Context','Verbose'). Plain:
|
|
|
similar to python's normal traceback printing. Context: prints 5 lines
|
|
|
of context source code around each line in the traceback. Verbose:
|
|
|
similar to Context, but additionally prints the variables currently
|
|
|
visible where the exception happened (shortening their strings if too
|
|
|
long). This can potentially be very slow, if you happen to have a huge
|
|
|
data structure whose string representation is complex to compute.
|
|
|
Your computer may appear to freeze for a while with cpu usage at 100%%.
|
|
|
If this occurs, you can cancel the traceback with Ctrl-C (maybe hitting
|
|
|
it more than once).
|
|
|
""",
|
|
|
metavar='InteractiveShell.xmode')
|
|
|
paa('--ext',
|
|
|
type=str, dest='Global.extra_extension',
|
|
|
help="The dotted module name of an IPython extension to load.",
|
|
|
metavar='Global.extra_extension')
|
|
|
paa('-c',
|
|
|
type=str, dest='Global.code_to_run',
|
|
|
help="Execute the given command string.",
|
|
|
metavar='Global.code_to_run')
|
|
|
paa('-i',
|
|
|
action='store_true', dest='Global.force_interact',
|
|
|
help=
|
|
|
"If running code from the command line, become interactive afterwards.")
|
|
|
|
|
|
# Options to start with GUI control enabled from the beginning
|
|
|
paa('--gui',
|
|
|
type=str, dest='Global.gui',
|
|
|
help="Enable GUI event loop integration ('qt', 'wx', 'gtk').",
|
|
|
metavar='gui-mode')
|
|
|
paa('--pylab','-pylab',
|
|
|
type=str, dest='Global.pylab',
|
|
|
nargs='?', const='auto', metavar='gui-mode',
|
|
|
help="Pre-load matplotlib and numpy for interactive use. "+
|
|
|
"If no value is given, the gui backend is matplotlib's, else use "+
|
|
|
"one of: ['tk', 'qt', 'wx', 'gtk', 'osx'].")
|
|
|
|
|
|
# Legacy GUI options. Leave them in for backwards compatibility, but the
|
|
|
# 'thread' names are really a misnomer now.
|
|
|
paa('--wthread', '-wthread',
|
|
|
action='store_true', dest='Global.wthread',
|
|
|
help=
|
|
|
"""Enable wxPython event loop integration. (DEPRECATED, use --gui wx)""")
|
|
|
paa('--q4thread', '--qthread', '-q4thread', '-qthread',
|
|
|
action='store_true', dest='Global.q4thread',
|
|
|
help=
|
|
|
"""Enable Qt4 event loop integration. Qt3 is no longer supported.
|
|
|
(DEPRECATED, use --gui qt)""")
|
|
|
paa('--gthread', '-gthread',
|
|
|
action='store_true', dest='Global.gthread',
|
|
|
help=
|
|
|
"""Enable GTK event loop integration. (DEPRECATED, use --gui gtk)""")
|
|
|
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Crash handler for this application
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
_message_template = """\
|
|
|
Oops, $self.app_name crashed. We do our best to make it stable, but...
|
|
|
|
|
|
A crash report was automatically generated with the following information:
|
|
|
- A verbatim copy of the crash traceback.
|
|
|
- A copy of your input history during this session.
|
|
|
- Data on your current $self.app_name configuration.
|
|
|
|
|
|
It was left in the file named:
|
|
|
\t'$self.crash_report_fname'
|
|
|
If you can email this file to the developers, the information in it will help
|
|
|
them in understanding and correcting the problem.
|
|
|
|
|
|
You can mail it to: $self.contact_name at $self.contact_email
|
|
|
with the subject '$self.app_name Crash Report'.
|
|
|
|
|
|
If you want to do it now, the following command will work (under Unix):
|
|
|
mail -s '$self.app_name Crash Report' $self.contact_email < $self.crash_report_fname
|
|
|
|
|
|
To ensure accurate tracking of this issue, please file a report about it at:
|
|
|
$self.bug_tracker
|
|
|
"""
|
|
|
|
|
|
class IPAppCrashHandler(CrashHandler):
|
|
|
"""sys.excepthook for IPython itself, leaves a detailed report on disk."""
|
|
|
|
|
|
message_template = _message_template
|
|
|
|
|
|
def __init__(self, app):
|
|
|
contact_name = release.authors['Fernando'][0]
|
|
|
contact_email = release.authors['Fernando'][1]
|
|
|
bug_tracker = 'http://github.com/ipython/ipython/issues'
|
|
|
super(IPAppCrashHandler,self).__init__(
|
|
|
app, contact_name, contact_email, bug_tracker
|
|
|
)
|
|
|
|
|
|
def make_report(self,traceback):
|
|
|
"""Return a string containing a crash report."""
|
|
|
|
|
|
sec_sep = self.section_sep
|
|
|
# Start with parent report
|
|
|
report = [super(IPAppCrashHandler, self).make_report(traceback)]
|
|
|
# Add interactive-specific info we may have
|
|
|
rpt_add = report.append
|
|
|
try:
|
|
|
rpt_add(sec_sep+"History of session input:")
|
|
|
for line in self.app.shell.user_ns['_ih']:
|
|
|
rpt_add(line)
|
|
|
rpt_add('\n*** Last line of input (may not be in above history):\n')
|
|
|
rpt_add(self.app.shell._last_input_line+'\n')
|
|
|
except:
|
|
|
pass
|
|
|
|
|
|
return ''.join(report)
|
|
|
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Main classes and functions
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
class IPythonApp(Application):
|
|
|
name = u'ipython'
|
|
|
#: argparse formats better the 'usage' than the 'description' field
|
|
|
description = None
|
|
|
usage = usage.cl_usage
|
|
|
command_line_loader = IPAppConfigLoader
|
|
|
default_config_file_name = default_config_file_name
|
|
|
crash_handler_class = IPAppCrashHandler
|
|
|
|
|
|
def create_default_config(self):
|
|
|
super(IPythonApp, self).create_default_config()
|
|
|
# Eliminate multiple lookups
|
|
|
Global = self.default_config.Global
|
|
|
|
|
|
# Set all default values
|
|
|
Global.display_banner = True
|
|
|
|
|
|
# If the -c flag is given or a file is given to run at the cmd line
|
|
|
# like "ipython foo.py", normally we exit without starting the main
|
|
|
# loop. The force_interact config variable allows a user to override
|
|
|
# this and interact. It is also set by the -i cmd line flag, just
|
|
|
# like Python.
|
|
|
Global.force_interact = False
|
|
|
|
|
|
# By default always interact by starting the IPython mainloop.
|
|
|
Global.interact = True
|
|
|
|
|
|
# No GUI integration by default
|
|
|
Global.gui = False
|
|
|
# Pylab off by default
|
|
|
Global.pylab = False
|
|
|
|
|
|
# Deprecated versions of gui support that used threading, we support
|
|
|
# them just for bacwards compatibility as an alternate spelling for
|
|
|
# '--gui X'
|
|
|
Global.qthread = False
|
|
|
Global.q4thread = False
|
|
|
Global.wthread = False
|
|
|
Global.gthread = False
|
|
|
|
|
|
def load_file_config(self):
|
|
|
if hasattr(self.command_line_config.Global, 'quick'):
|
|
|
if self.command_line_config.Global.quick:
|
|
|
self.file_config = Config()
|
|
|
return
|
|
|
super(IPythonApp, self).load_file_config()
|
|
|
|
|
|
def post_load_file_config(self):
|
|
|
if hasattr(self.command_line_config.Global, 'extra_extension'):
|
|
|
if not hasattr(self.file_config.Global, 'extensions'):
|
|
|
self.file_config.Global.extensions = []
|
|
|
self.file_config.Global.extensions.append(
|
|
|
self.command_line_config.Global.extra_extension)
|
|
|
del self.command_line_config.Global.extra_extension
|
|
|
|
|
|
def pre_construct(self):
|
|
|
config = self.master_config
|
|
|
|
|
|
if hasattr(config.Global, 'classic'):
|
|
|
if config.Global.classic:
|
|
|
config.InteractiveShell.cache_size = 0
|
|
|
config.PlainTextFormatter.pprint = False
|
|
|
config.InteractiveShell.prompt_in1 = '>>> '
|
|
|
config.InteractiveShell.prompt_in2 = '... '
|
|
|
config.InteractiveShell.prompt_out = ''
|
|
|
config.InteractiveShell.separate_in = \
|
|
|
config.InteractiveShell.separate_out = \
|
|
|
config.InteractiveShell.separate_out2 = ''
|
|
|
config.InteractiveShell.colors = 'NoColor'
|
|
|
config.InteractiveShell.xmode = 'Plain'
|
|
|
|
|
|
if hasattr(config.Global, 'nosep'):
|
|
|
if config.Global.nosep:
|
|
|
config.InteractiveShell.separate_in = \
|
|
|
config.InteractiveShell.separate_out = \
|
|
|
config.InteractiveShell.separate_out2 = ''
|
|
|
|
|
|
# if there is code of files to run from the cmd line, don't interact
|
|
|
# unless the -i flag (Global.force_interact) is true.
|
|
|
code_to_run = config.Global.get('code_to_run','')
|
|
|
file_to_run = False
|
|
|
if self.extra_args and self.extra_args[0]:
|
|
|
file_to_run = True
|
|
|
if file_to_run or code_to_run:
|
|
|
if not config.Global.force_interact:
|
|
|
config.Global.interact = False
|
|
|
|
|
|
def construct(self):
|
|
|
# I am a little hesitant to put these into InteractiveShell itself.
|
|
|
# But that might be the place for them
|
|
|
sys.path.insert(0, '')
|
|
|
|
|
|
# Create an InteractiveShell instance.
|
|
|
self.shell = TerminalInteractiveShell.instance(config=self.master_config)
|
|
|
|
|
|
def post_construct(self):
|
|
|
"""Do actions after construct, but before starting the app."""
|
|
|
config = self.master_config
|
|
|
|
|
|
# shell.display_banner should always be False for the terminal
|
|
|
# based app, because we call shell.show_banner() by hand below
|
|
|
# so the banner shows *before* all extension loading stuff.
|
|
|
self.shell.display_banner = False
|
|
|
if config.Global.display_banner and \
|
|
|
config.Global.interact:
|
|
|
self.shell.show_banner()
|
|
|
|
|
|
# Make sure there is a space below the banner.
|
|
|
if self.log_level <= logging.INFO: print
|
|
|
|
|
|
# Now a variety of things that happen after the banner is printed.
|
|
|
self._enable_gui_pylab()
|
|
|
self._load_extensions()
|
|
|
self._run_exec_lines()
|
|
|
self._run_exec_files()
|
|
|
self._run_cmd_line_code()
|
|
|
|
|
|
def _enable_gui_pylab(self):
|
|
|
"""Enable GUI event loop integration, taking pylab into account."""
|
|
|
Global = self.master_config.Global
|
|
|
|
|
|
# Select which gui to use
|
|
|
if Global.gui:
|
|
|
gui = Global.gui
|
|
|
# The following are deprecated, but there's likely to be a lot of use
|
|
|
# of this form out there, so we might as well support it for now. But
|
|
|
# the --gui option above takes precedence.
|
|
|
elif Global.wthread:
|
|
|
gui = inputhook.GUI_WX
|
|
|
elif Global.qthread:
|
|
|
gui = inputhook.GUI_QT
|
|
|
elif Global.gthread:
|
|
|
gui = inputhook.GUI_GTK
|
|
|
else:
|
|
|
gui = None
|
|
|
|
|
|
# Using --pylab will also require gui activation, though which toolkit
|
|
|
# to use may be chosen automatically based on mpl configuration.
|
|
|
if Global.pylab:
|
|
|
activate = self.shell.enable_pylab
|
|
|
if Global.pylab == 'auto':
|
|
|
gui = None
|
|
|
else:
|
|
|
gui = Global.pylab
|
|
|
else:
|
|
|
# Enable only GUI integration, no pylab
|
|
|
activate = inputhook.enable_gui
|
|
|
|
|
|
if gui or Global.pylab:
|
|
|
try:
|
|
|
self.log.info("Enabling GUI event loop integration, "
|
|
|
"toolkit=%s, pylab=%s" % (gui, Global.pylab) )
|
|
|
activate(gui)
|
|
|
except:
|
|
|
self.log.warn("Error in enabling GUI event loop integration:")
|
|
|
self.shell.showtraceback()
|
|
|
|
|
|
def _load_extensions(self):
|
|
|
"""Load all IPython extensions in Global.extensions.
|
|
|
|
|
|
This uses the :meth:`ExtensionManager.load_extensions` to load all
|
|
|
the extensions listed in ``self.master_config.Global.extensions``.
|
|
|
"""
|
|
|
try:
|
|
|
if hasattr(self.master_config.Global, 'extensions'):
|
|
|
self.log.debug("Loading IPython extensions...")
|
|
|
extensions = self.master_config.Global.extensions
|
|
|
for ext in extensions:
|
|
|
try:
|
|
|
self.log.info("Loading IPython extension: %s" % ext)
|
|
|
self.shell.extension_manager.load_extension(ext)
|
|
|
except:
|
|
|
self.log.warn("Error in loading extension: %s" % ext)
|
|
|
self.shell.showtraceback()
|
|
|
except:
|
|
|
self.log.warn("Unknown error in loading extensions:")
|
|
|
self.shell.showtraceback()
|
|
|
|
|
|
def _run_exec_lines(self):
|
|
|
"""Run lines of code in Global.exec_lines in the user's namespace."""
|
|
|
try:
|
|
|
if hasattr(self.master_config.Global, 'exec_lines'):
|
|
|
self.log.debug("Running code from Global.exec_lines...")
|
|
|
exec_lines = self.master_config.Global.exec_lines
|
|
|
for line in exec_lines:
|
|
|
try:
|
|
|
self.log.info("Running code in user namespace: %s" %
|
|
|
line)
|
|
|
self.shell.run_cell(line, store_history=False)
|
|
|
except:
|
|
|
self.log.warn("Error in executing line in user "
|
|
|
"namespace: %s" % line)
|
|
|
self.shell.showtraceback()
|
|
|
except:
|
|
|
self.log.warn("Unknown error in handling Global.exec_lines:")
|
|
|
self.shell.showtraceback()
|
|
|
|
|
|
def _exec_file(self, fname):
|
|
|
full_filename = filefind(fname, [u'.', self.ipython_dir])
|
|
|
if os.path.isfile(full_filename):
|
|
|
if full_filename.endswith(u'.py'):
|
|
|
self.log.info("Running file in user namespace: %s" %
|
|
|
full_filename)
|
|
|
# Ensure that __file__ is always defined to match Python behavior
|
|
|
self.shell.user_ns['__file__'] = fname
|
|
|
try:
|
|
|
self.shell.safe_execfile(full_filename, self.shell.user_ns)
|
|
|
finally:
|
|
|
del self.shell.user_ns['__file__']
|
|
|
elif full_filename.endswith('.ipy'):
|
|
|
self.log.info("Running file in user namespace: %s" %
|
|
|
full_filename)
|
|
|
self.shell.safe_execfile_ipy(full_filename)
|
|
|
else:
|
|
|
self.log.warn("File does not have a .py or .ipy extension: <%s>"
|
|
|
% full_filename)
|
|
|
def _run_exec_files(self):
|
|
|
try:
|
|
|
if hasattr(self.master_config.Global, 'exec_files'):
|
|
|
self.log.debug("Running files in Global.exec_files...")
|
|
|
exec_files = self.master_config.Global.exec_files
|
|
|
for fname in exec_files:
|
|
|
self._exec_file(fname)
|
|
|
except:
|
|
|
self.log.warn("Unknown error in handling Global.exec_files:")
|
|
|
self.shell.showtraceback()
|
|
|
|
|
|
def _run_cmd_line_code(self):
|
|
|
if hasattr(self.master_config.Global, 'code_to_run'):
|
|
|
line = self.master_config.Global.code_to_run
|
|
|
try:
|
|
|
self.log.info("Running code given at command line (-c): %s" %
|
|
|
line)
|
|
|
self.shell.run_cell(line, store_history=False)
|
|
|
except:
|
|
|
self.log.warn("Error in executing line in user namespace: %s" %
|
|
|
line)
|
|
|
self.shell.showtraceback()
|
|
|
return
|
|
|
# Like Python itself, ignore the second if the first of these is present
|
|
|
try:
|
|
|
fname = self.extra_args[0]
|
|
|
except:
|
|
|
pass
|
|
|
else:
|
|
|
try:
|
|
|
self._exec_file(fname)
|
|
|
except:
|
|
|
self.log.warn("Error in executing file in user namespace: %s" %
|
|
|
fname)
|
|
|
self.shell.showtraceback()
|
|
|
|
|
|
def start_app(self):
|
|
|
if not getattr(self.master_config.Global, 'ignore_old_config', False):
|
|
|
check_for_old_config(self.ipython_dir)
|
|
|
if self.master_config.Global.interact:
|
|
|
self.log.debug("Starting IPython's mainloop...")
|
|
|
self.shell.mainloop()
|
|
|
else:
|
|
|
self.log.debug("IPython not interactive, start_app is no-op...")
|
|
|
|
|
|
|
|
|
def load_default_config(ipython_dir=None):
|
|
|
"""Load the default config file from the default ipython_dir.
|
|
|
|
|
|
This is useful for embedded shells.
|
|
|
"""
|
|
|
if ipython_dir is None:
|
|
|
ipython_dir = get_ipython_dir()
|
|
|
cl = PyFileConfigLoader(default_config_file_name, ipython_dir)
|
|
|
config = cl.load_config()
|
|
|
return config
|
|
|
|
|
|
|
|
|
def launch_new_instance():
|
|
|
"""Create and run a full blown IPython instance"""
|
|
|
app = IPythonApp()
|
|
|
app.start()
|
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
launch_new_instance()
|
|
|
|
